May I remind you of 9/11? The Fire Lt. (now Battalion Chief) who survived in the North Tower stairwell was calling directions to potential rescuers over the air - telling them he and others were in the ???? side stairwell of the North Tower. One response he heard ... "Where's the North Tower?"

Direction finding is very important in an urban/suburban hi-rise environment or any other place that could be potentially smoke filled. Keep the compasses. Maybe out of curiosity they'll play with them and learn a bunch of valueable lessons ...

M